Foam having improved feeling during use

ABSTRACT

The present invention relates to a foam made of a specific material having superior properties and to cosmetics comprising said foam.

CROSS REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. application Ser. No.14/391,088, now U.S. Pat. No. 9,844,496, which is a National Stageapplication of PCT/KR2013/003101, filed Apr. 12, 2013, which claims thebenefit of Korean Patent Application No. 10-2013-0039638 filed on Apr.11, 2013 and Korean Patent Application No. 10-2012-0038132 filed on Apr.12, 2012, each of which is incorporated by reference in their entiretyherein.

TECHNICAL FIELD

The present disclosure relates to a foam having superior properties anda cosmetic comprising the same.

BACKGROUND ART

A cosmetic composition is commonly provided as stored in a vacuumcontainer, a pump container or a glass container. However, thesecontainers are inconvenient to carry. Recently, as the necessity ofputting on or adjusting makeup outdoors increases, there is a need of acosmetic composition that can be carried conveniently.

A compact-type container may be considered as a container capable ofconveniently carrying a cosmetic composition. In order to hold a liquidcosmetic composition in the compact-type container, it should beconsidered whether the container is compatible with the carrier forcosmetic composition, whether the cosmetic composition can beeffectively held in the carrier, whether the carrier can hold thecosmetic composition stably for a long time and whether an adequateamount of the cosmetic composition can be ejected from the carrier.

The inventors of the present disclosure have found out that a foamprepared from a specific material provides superior skin adhesion,finish, thin application, soft applicability, consistency, uniformness,softness, smoothness, improved skin texture or silkiness.

More specifically, the inventors of the present disclosure haveconfirmed that a foam prepared from a specific material providessuperior skin adhesion, reduced skin roughness, improved skin texture orimproved applicability.

BRIEF DESCRIPTION OF THE DRAWINGS

The FIGURE is a table showing the results of a panel evaluation on ascale of 1 (very poor) to 5 (very good) of several parameters relatingto hand application of a cosmetic composition after storage each of thefoams of Examples 1 to 5 compared to direct hand application of thecosmetic composition (Comp. Ex) and a photographic image of each foam.

DISCLOSURE Technical Problem

The inventors of the present disclosure have found out that when anadequate amount of a cosmetic composition absorbed in a specific foam istaken with a hand and applied on the face, feeling of use is remarkablyimproved over when the cosmetic composition not absorbed in the foam isdirectly applied on the face. The present disclosure is directed toproviding a foam providing improved feeling of use and a cosmeticcomprising the same.

Technical Solution

In one general aspect, the present disclosure provides a foam forimproving skin adhesion of a cosmetic composition, consisting of one ormore material selected from a group consisting ofacrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR) andnatural rubber (NR), and a cosmetic comprising the same.

In another general aspect, the present disclosure provides a foam forreducing skin roughness of a cosmetic composition, comprising one ormore material selected from a group consisting of polyvinyl chloride,polyethylene and ethylene-vinyl acetate (EVA), and a cosmetic comprisingthe same.

In another general aspect, the present disclosure provides a foam forimproving skin texture of a cosmetic composition, comprising one or morematerial selected from a group consisting of latex, silicone, film-type,styrene-isoprene-styrene (SIS), styrene-ethylene-butylene-styrene(SEGS), polyvinyl alcohol (PVA), silicone elastomer, nitrile, butyl,polyether and neoprene, and a cosmetic comprising the same.

Advantageous Effects

Foams of the present disclosure includes various materials so thatprovide improved skin adhesion, reduced skin roughness, improved skintexture or improved applicability and allow convenient use of a cosmeticcomposition with improved stability and portability. Since the foamshave different uses, they may provide optimized feeling of use ofcosmetics.

BEST MODE

As used herein, a “foam” refers to a polymer foamed by dry or wetfoaming.

As used herein, “flocking” refers to a process of depositing very shortfibers (flock) onto, e.g., a foam.

As used herein, “impregnation” means that a cosmetic composition iscarried in a foam.

In an aspect, the present disclosure provides a foam for impregnating acosmetic composition, comprising one or more material selected from agroup consisting of acrylonitrile-butadiene rubber (NBR),styrene-butadiene rubber (SBR), natural rubber (NR), polyvinyl chloride,polyethylene, ethylene-vinyl acetate (EVA), latex, silicone, film-type,styrene-isoprene-styrene (SIS), styrene-ethylene-butylene-styrene(SEBS), polyvinyl alcohol (PVA), silicone elastomer, nitrile, butyl,polyether and neoprene.

In an exemplary embodiment of the present disclosure, the foam may beflocked with cotton, cotton/acryl, cotton/acryl/polyester, cotton/rayon,acryl, polyamide, nylon, polyester, nylon/polyester or silk.

In another aspect, the present disclosure provides a foam for improvingskin adhesion of a cosmetic composition, comprising a rubber, forexample, one or more material selected from a group consisting ofacrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR) andnatural rubber (NR).

“Improved skin adhesion” means that, when a cosmetic compositionimpregnated in the foam is applied to the skin, the cosmetic compositionis tightly adhered to the surface of the skin without getting loose. Thefoam of the present disclosure is advantageous in that the cosmeticcomposition can be applied on the skin tightly, thinly and uniformly andthus can provide silkiness to the skin.

In another aspect, the present disclosure provides a cosmeticcomprising: the foam; and a cosmetic composition impregnated in thefoam.

In another aspect, the present disclosure provides a foam for reducingskin roughness of a cosmetic composition, comprising a vinyl, forexample, one or more material selected from a group consisting ofpolyvinyl chloride, polyethylene and ethylene-vinyl acetate (EVA).

“Reduced skin roughness” means that, when a cosmetic compositionimpregnated in the foam is applied to the skin, the cosmetic compositionmakes the skin surface even by filling the unevenness of the skin. Theroughness of the skin may be formed by pimples, scars or pores, but isnot limited thereto.

In another aspect, the present disclosure provides a cosmeticcomprising: the foam; and a cosmetic composition impregnated in thefoam.

In another aspect, the present disclosure provides a foam for improvingskin texture of a cosmetic composition, comprising a silicone, forexample, one or more material selected from a group consisting of latex,silicone, film-type, styrene-isoprene-styrene (SIS),styrene-ethylene-butylene-styrene (SEBS), polyvinyl alcohol (PVA),silicone elastomer, nitrile, butyl, polyether and neoprene.

“Improving skin texture” means, when the skin tone is nonuniform due tointrinsic or extrinsic factors or when the skin texture is bumpy, makingthe skin tone uniform or making the skin texture smooth. The skin tonemay be nonuniform due to pigmentation, aging, exposure to UV, etc., butis not limited thereto.

In another aspect, the present disclosure provides a cosmeticcomprising: the foam; and a cosmetic composition impregnated in thefoam.

In another aspect, the present disclosure provides a foam for improvingskin applicability of a cosmetic composition, wherein the foam describedabove is flocked with cotton, cotton/acryl, cotton/acryl/polyester,cotton/rayon, acryl, polyamide, nylon, polyester, nylon/polyester orsilk.

“Improved skin applicability” means that the cosmetic composition can beapplied thinly and uniformly on the skin without scrubbing or coming offand, thus, a natural feeling of use is provided.

In another aspect, the present disclosure provides a cosmeticcomprising: one or more of the foam; and a cosmetic compositionimpregnated in the foam.

In an exemplary embodiment of the present disclosure, the cosmeticcomposition may be in liquid or solid state. Specifically, the cosmeticcomposition may be solution, emulsion, gel, cream or suspension.

In an exemplary embodiment of the present disclosure, the cosmeticcomposition may be an aqueous dispersion, an oily dispersion, awater-in-oil (W/O) emulsion or an oil-in-water (O/W) emulsion.

In general, a cosmetic composition in liquid state is difficult to carryand store as compared to one in solid state. However, the cosmeticcomprising the foam according to the present disclosure is advantageousin that even a cosmetic composition in liquid or cream state can bestored and carried stably and safely. If the cosmetic composition is insolid state, it can be comprised in the carrier (foam) to reduce instantchange in physical properties due to heat or external impact. Further,since the carrier serves to fix the cosmetic composition, an adequateamount of the content can be ejected.

In an exemplary embodiment of the present disclosure, the cosmeticcomposition that may be comprised in the cosmetic may be an emulsioncomposition, specifically a water-in-oil (W/O) emulsion or anoil-in-water (O/W) emulsion, or a dispersion composition, specificallyan oily dispersion or an aqueous dispersion.

In an exemplary embodiment of the present disclosure, the cosmeticcomposition that may be comprised in the cosmetic may be prepared into,for example, makeup primer, makeup base, liquid or solid foundation,concealer, lipstick, lip gloss, powder, lip liner, eyebrow, eye shadow,blusher(blusher), twin cake, sunscreen, lotion, cream, essence, etc.,but is not limited thereto.

In an exemplary embodiment of the present disclosure, the cosmeticimpregnated in the foam may be applied to the skin using a hand or anapplicator (e.g., puff).

Hereinafter, the present disclosure will be described in detail throughexamples. However, the following examples are for illustrative purposesonly and it will be apparent to those of ordinary skill in the art thatthe scope of the present disclosure is not limited by the examples.

Preparation Example

A cosmetic composition (emulsion) containing the components described inTable 1 was impregnated in foams of Examples 1-5.

TABLE 1 Components Contents (wt %) Ozokerite 0.1 Dicaprylyl carbonate10.0 Methylparaben 0.1 Octyl methoxycinnamate 7.0 Isoamylp-methoxycinnamate 2.0 Disteardimonium hectorite 0.2Decamethylcyclopentasiloxane 16.0 Sorbitan sesquioleate 2.0 LaurylPEG/PPG-18/18 methicone 1.5 Poly(methyl methacrylate) 5.0 Titaniumdioxide/aluminum hydroxide/stearic acid 7.0 Water To 100 Glycerine 8.0Salt 1.0 Fragrance 0.4 Total 100.0

Comparative Example

At room temperature, 0.5 g of the cosmetic composition was taken with ahand and applied onto the face.

Example 1

At room temperature, the cosmetic composition was impregnated in a foamprepared from acrylonitrile-butadiene rubber (NBR) and having a diameterof 48 mm and a thickness of 50 mm. After waiting for 2 hours untilstabilization, 0.5 g of the cosmetic composition was ejected from thefoam by pressing with a hand and applied onto the face.

Example 2

At room temperature, the cosmetic composition was impregnated in a foamprepared from polyvinyl chloride and having a diameter of 48 mm and athickness of 50 mm. After waiting for 2 hours until stabilization, 0.5 gof the cosmetic composition was ejected from the foam by pressing with ahand and applied onto the face.

Example 3

At room temperature, the cosmetic composition was impregnated in a foamprepared from latex and having a diameter of 48 mm and a thickness of 50mm. After waiting for 2 hours until stabilization, 0.5 g of the cosmeticcomposition was ejected from the foam by pressing with a hand andapplied onto the face.

Example 4

At room temperature, the cosmetic composition was impregnated in a foamprepared from polyether and flocked with polyester and having a diameterof 48 mm and a thickness of 50 mm. After waiting for 2 hours untilstabilization, 0.5 g of the cosmetic composition was ejected from thefoam by pressing with a hand and applied onto the face.

Example 5

At room temperature, the cosmetic composition was impregnated in a foamprepared from polyether and having a diameter of 48 mm and a thicknessof 50 mm. After waiting for 2 hours until stabilization, 0.5 g of thecosmetic composition was ejected from the foam by pressing with a handand applied onto the face.

Test Example

Evaluation was performed by 5 professional women panels who were aged24-35 years, had makeup experiences for at least 2 years and wore makeupat least 5 times a week. They were asked to evaluate each test item with5-point standards (1: very poor, 2: poor, 3: moderate, 4: good, 5: verygood). The result is given in the FIGURE.

‘Adhesion’ is indicative of skin adhesion. ‘Finish’ is indicative ofstickiness or other residual feeling after application to the skin.‘Thin application’ is indicative of thickness of makeup afterapplication to the skin. ‘Soft applicability’ is indicative ofapplicability to the skin. ‘Consistency’ is indicative of consistency ofmakeup after application to the skin. ‘Uniformness’ is indicative ofreduced partial lumping after application. ‘Softness’ is indicative ofbaby face-like softness after application. ‘Smoothness’ is indicative ofreduced skin roughness. ‘Improved skin texture’ is indicative of mendingof skin tone or providing of smooth skin texture. ‘Silkiness’ isindicative of smooth application to the skin.

Those skilled in the art will appreciate that the conceptions andspecific embodiments disclosed in the foregoing description may bereadily utilized as a basis for modifying or designing other embodimentsfor carrying out the same purposes of the present disclosure. Thoseskilled in the art will also appreciate that such equivalent embodimentsdo not depart from the spirit and scope of the disclosure as set forthin the appended claims.

The invention claimed is:
 1. A cosmetic comprising: one or more of a foam impregnated with a cosmetic composition for storing the cosmetic composition, wherein the foam comprises one or more material selected from a group consisting of acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), natural rubber (NR), polyvinyl chloride, polyethylene, ethylene-vinyl acetate (EVA), latex, silicone, film-type, styrene-isoprene-styrene (SIS), styrene-ethylene-butylene-styrene (SEBS), polyvinyl alcohol (PVA), silicone elastomer, nitrile, butyl and polyether and neoprene; the cosmetic composition impregnated in the foam; and an applicator onto which the cosmetic composition is ejected, wherein the one or more material is selected from a group consisting of acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR) and natural rubber (NR) when the foam is used for improving skin adhesion of a cosmetic composition; wherein the one or more material is selected from a group consisting of polyvinyl chloride, polyethylene and ethylene-vinyl acetate (EVA) when the foam is used for reducing skin roughness of a cosmetic composition; wherein the one or more material is selected from a group consisting of latex, silicone, film-type, styrene-isoprene-styrene (SIS), styrene-ethylene-butylene-styrene (SEBS), polyvinyl alcohol (PVA), silicone elastomer, nitrile, butyl, polyether and neoprene when the foam is used for improving skin texture of a cosmetic composition; and wherein the cosmetic composition is an aquious dispersion, an oily dispersion, a water-in-oil (W/O) emulsion or an oil-in-water (O/W) emulsion.
 2. The cosmetic according to claim 1, wherein the foam is flocked with cotton, cotton/acryl, cotton/acryl/polyester, cotton/rayon, acryl, polyamide, nylon, polyester, nylon/polyester or silk.
 3. The cosmetic according to claim 1, wherein the one or more material is selected from a group consisting of acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR) and natural rubber (NR) and the foam is used for improving skin adhesion of a cosmetic composition.
 4. The cosmetic according to claim 3, wherein the foam is flocked with cotton, cotton/acryl, cotton/acryl/polyester, cotton/rayon, acryl, polyamide, nylon, polyester, nylon/polyester or silk.
 5. The cosmetic according to claim 1, wherein the one or more material is selected from a group consisting of polyvinyl chloride, polyethylene and ethylene-vinyl acetate (EVA) and the foam is used for reducing skin roughness of a cosmetic composition.
 6. The cosmetic according to claim 5, wherein the foam is flocked with cotton, cotton/acryl, cotton/acryl/polyester, cotton/rayon, acryl, polyamide, nylon, polyester, nylon/polyester or silk.
 7. The cosmetic according to claim 1, wherein the one or more material is selected from a group consisting of latex, silicone, film-type, styrene-isoprene-styrene (SIS), styrene-ethylene-butylene-styrene (SEBS), polyvinyl alcohol (PVA), silicone elastomer, nitrile, butyl, polyether and neoprene and the foam is used for improving skin texture of a cosmetic composition.
 8. The cosmetic according to claim 7, wherein the foam is flocked with cotton, cotton/acryl, cotton/acryl/polyester, cotton/rayon, acryl, polyamide, nylon, polyester, nylon/polyester or silk.
 9. A method of improving adhesion of a cosmetic composition to skin comprising ejecting a cosmetic composition from a carrier foam onto an applicator, wherein the cosmetic composition is stored within the carrier foam and the carrier foam comprises one or more material selected from the group consisting of acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), polyvinyl chloride, latex, and polyether, and wherein the cosmetic composition is in a liquid or cream state, wherein the cosmetic composition is an aqueous dispersion, an oily dispersion, a water-in-oil (W/O) emulsion or an oil-in-water (O/W) emulsion; and applying the ejected cosmetic composition to skin to achieve improved adhesion of the cosmetic composition to the skin.
 10. The method of claim 9, wherein the carrier foam comprises NBR. 